# ReticulOS

> Desktop notes that answer your questions, with sources

**Website:** https://reticulos.com/?ref=nextbigproduct

## Overview

Desktop notes app for Linux and Windows. Save from any app with one shortcut, then ask questions and see the note behind each answer.

## Features

- Save highlighted text from any app with one shortcut
- Save a screen area as a picture (Ctrl+Shift+4)
- Offline keyword search across every collection
- Ask Ret: answers cite the exact note, picture or PDF page
- Ret edits only with approval; every change can be undone
- Day book with carried-forward to-dos and a locked vault
- Notes encrypted on your computer; export to Markdown or JSON
- No API key or AI subscription needed

## Pricing

subscription,freemium

## Alternatives

- [Evernote Teams](https://nextbigproduct.com/alternativeto/evernote-teams)
- [Obsidian PKM](https://nextbigproduct.com/alternativeto/obsidian-pkm)
- [Notion](https://nextbigproduct.com/alternativeto/notion-10245)
- [OneNote Daily Notebook](https://www.onenote.com/features/daily-planner)
- [NotebookLM](https://notebooklm.google.com)

## Best For

- Freelancers
- Entrepreneurs
- Developers
- Project Managers

## Details

ReticulOS is a desktop notes app for Windows and Linux, with Mac coming next. Highlight text in any app and press Ctrl+Shift+= to save it into a collection; Ctrl+Shift+4 saves a screen area as a picture. Keyword search works offline across every collection. When you need an answer, ask Ret, the built-in AI. It replies from your own notes, and every answer has numbered citations that open the exact note, picture or PDF page it used. Ret needs internet and Google sign-in, and it changes notes after you approve. Notes are encrypted on your computer. The free plan has no time limit.